http://ipspotlight.com/2009/06/11/facebook-custom-username-feature-takes-effect-june-13-trademark-owners-may-register-to-prevent-trademarks-from-being-used-as-usernames/ News from the intersection of intellectual property and business law Fri, 10 Feb 2012 03:31:43 +0000 hourly 1 http://wordpress.com/